Extinct for Soup?

Are sharks really facing extinction for an Asian delicacy? Learn more about shark populations and conservation efforts.

Belly view of a bloodied shark getting fished

When Gas Goes Bad

Breathing gas is incredibly important to divers and just as important as quantity is quality. Do you know the signs of breathing gas contamination?

Man sniffs the valve of his air cylinder

Bites & Attacks

When provoked or on the defense, marine critters will attack. From seals to otters, and sharks to barracudas, learn prevention and first aid for these scenarios.

The menacing mouth of a barracuda